As part of the Fall Creators update, Microsoft are releasing SDKs for their Fluent design system for UWP app design. It would be great if Telerik could expand their skins to include controls designed to mimic the look and feel of the Fluent design including, where possible, Acrylic, Parallax, and Reveal. I believe that light or dark themes will be standard on the Fluent design, but users will be able to incorporate the their accent colour preference. So, at the least it would be great to have fluent light, and fluent dark skins with an easy method of similarly changing the accent colour. Of course, not all of the functionality of UWP will be possible for ASP.NET AJAX, but since Fluent is likely to become the new standard for UWP app design, I believe that users will come to expect similar skins in their web-apps. See https://docs.microsoft.com/en-us/windows/uwp/layout/design-and-ui-intro for more info.